Ovulation helpppp

Chelsea • 24 & TTC our rainbow baby🌈❤️ UK🇬🇧

I’ve had a solid smiley face for 3 days now, can someone tell me what this means? How can I tell when I ovulated?

OPK 1) 1st day of solid smiley with clearblue - OPK 2) looked exactly the same as this one and also solid smiley on clear blue

OPK 3) & again a solid smiley today 😩